Tween help PLEASE

WHHYYYYY

		for i,v in pairs(MainMenu:GetChildren()) do
			if v:FindFirstChild("UIGradient") then
				local Thing = TweenService:Create(v.UIGradient, fastinfo, {Color = ColorSequence.new{
					ColorSequenceKeypoint.new(0, Color3.new(0, 0, 0)),
					ColorSequenceKeypoint.new(1, Color3.new(0, 0, 0))
				}
				})
				Thing:Play()
			end
		end

Tweening doesn’t work with color sequences. I’m not really that experienced with this, but there are a few posts about making a custom tween. This and this are nice if you’d like to check them out.